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Diffractive photoproduction of dijets in ep collisions at HERA

Abstract:
Diffractive photoproduction of dijets was measured with the ZEUS detector at the ep collider HERA using an integrated luminosity of 77.2 pb-1. The measurements were made in the kinematic range Q2 < 1 GeV2, 0.202 is the photon virtuality, y is the inelasticity and xIP is the fraction of the proton momentum taken by the diffractive exchange. The two jets with the highest transverse energy, ET jet, were required to satisfy ET jet>7.5 and 6.5 GeV, respectively, and to lie in the pseudorapidity range -1.5<ηjet<1.5. Differential cross sections were compared to perturbative QCD calculations using available parameterisations of diffractive parton distributions of the proton.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1140/epjc/s10052-008-0598-2

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Publisher:
Springer-Verlag
Journal:
European Physical Journal C More from this journal
Volume:
55
Issue:
2
Pages:
177-191
Publication date:
2008-05-01
DOI:
EISSN:
1434-6052
ISSN:
1434-6044


Pubs id:
pubs:13655
UUID:
uuid:43cdf92a-6206-40dc-9ed4-76e8572e486d
Local pid:
pubs:13655
Source identifiers:
13655
Deposit date:
2012-12-19

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